Definition-aware research lab

Market comparison studio

Compare concentration within each market's stated product, geography, and denominator. Disclosure gaps and differing confidence levels remain visible.

Profiles12Public market records

HHI anchors26Source-backed years

Selected2Shareable comparison

Comparable here

Within-profile time anchors, published screens, evidence counts, source posture, and each definition contract.

Never collapsed here

Different products, geographies, denominators, and metric families are never averaged into a synthetic finding.

Selection console

Choose two to four market profiles

Every selection updates this evidence workspace and its shareable URL while preserving each market-definition contract.

2/4 selected

Keep at least 2 profiles selected; add up to 4.

Market structure plane

Locate the selected markets in the public evidence universe

Horizontal position is latest published HHI. Vertical position shows either leading-firm share or CR4. Every point retains its own product boundary and denominator.

5 of 12 plotted

Universe12public profiles

Charted5Top firm + HHI

Selected on plane12 selected total

Outside plane7definitions or gaps

Top firm

Latest published HHI

Below 1,8001,800-2,500Above 2,500Selected comparison

Digital platforms 4Food and agriculture 1Health care 1Health insurance 1Real estate 1Software 1Telecommunications 2Transportation 1

Outside this coordinate system

Latest public screens

Compare what each profile can support

Values are charted only when published and permitted for screening by the profile's market-definition contract.

Selected22 sectors

Metric families2Definitions retained

HHI published11 charted

Longitudinal1Profiles with 2+ HHI anchors

Public sources4Distinct selected sources

Latest HHI

Scale: 0 to 10,000

1/2 plotted

Outside the numerical comparison

Published-but-blocked and unavailable values stay visible without entering the chart.

1 profile

The chart is a side-by-side public screen, not a claim that these products share one relevant antitrust market or one interchangeable measurement basis.

Longitudinal anchors

Trace change inside each profile

Each history is indexed to its own first released HHI anchor, so direction and relative movement remain visible without placing unlike market levels on one shared HHI scale. Select any point to recover its exact published HHI and source.

1 trend-ready4 observed years

Selected public anchorSearch engines2026 / baseline 2023

Index: 92.6
Published HHI: 7,359
From baseline: -591

Estimated public / Medium confidenceBaseline HHI 7,950 in 2023StatCounter Global Stats

Search engines2023-2026Decreasing

Definition matrix

Keep the denominator beside the number

Product boundary, geography, measurement basis, and exclusions determine what each concentration screen means.

Market definition method

Agency defined

Beef meatpacking

Aggregate concentration · Not comparable

Product boundary: Purchases of steers and heifers by beef packers
Geography: United States, while cattle procurement often occurs in regional markets
Measurement: USDA-reported share of steer and heifer purchases handled by the four largest beef packers
Denominator: All U.S. steer and heifer purchases represented in the USDA historical CR4 series
Included: The aggregate top-four packer share at published historical anchors
Excluded: Individual packer shares, hog purchases, regional procurement areas, cattle prices, and wholesale beef sales

Inspect full contract

Public proxy

Search engines

Usage shares · Screen only

Product boundary: All-platform search engine usage
Geography: United States
Measurement: StatCounter search engine referral usage share
Denominator: Observed U.S. search engine usage in each reported monthly snapshot
Included: Named search engines and a residual Other category that closes the public share table to 100 percent
Excluded: Search query volume, search advertising revenue, and other digital advertising activity

Inspect full contract

Evidence readiness

Compare the record behind each screen

Coverage counts are descriptive. Missing participant rows or HHI anchors remain research needs, not zeroes.

2 selected profiles

Market	Latest	Observations	Participant years	Sources	Policy events	Reports	Status	Confidence
Beef meatpacking	2019	3	3	3	0	2	Incomplete	High
Search engines	2026	4	4	1	3	3	Estimated public	Medium

Markets JSONLatest selected screens Markets CSVComparison-ready table Definitions JSONBoundary contracts Observations JSONLongitudinal anchors Observations CSVNotebook-ready history Policy events JSONSelected public docket